Gaining exposure to the cryptocurrency market is about to get easier as the CME Group and Cboe Global Markets expect to launch trading in their respective bitcoin futures in a matter of days. However, for investors who prefer to invest in hedge funds rather than holding digital assets or derivatives of digital assets, finding open funds can prove challenging. Some of the funds specializing in cryptocurrency have closed due to their holdings growing 1,000% to 2,000% this year, according to Joe DiPasquale, founder of the BitBull Capital.